function Is () {
	var agt=navigator.userAgent.toLowerCase(); 
	
	if (navigator.appVersion.indexOf("MSIE")!=-1){
		this.major=parseInt(navigator.appVersion.substr(navigator.appVersion.indexOf("MSIE")+5))
		this.minor=parseFloat(navigator.appVersion.substr(navigator.appVersion.indexOf("MSIE")+5))
	}else{
	    	this.major = parseInt(navigator.appVersion); 
	    	this.minor = parseFloat(navigator.appVersion);
	}
	
	this.nav  = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1) 
		&& (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1) 
	        && (agt.indexOf('webtv')==-1)); 
	this.nav4up = (this.nav && (this.major >= 4)); 
	this.nav3up = (this.nav && (this.major >= 3)); 

	this.ie   = (agt.indexOf("msie") != -1); 
	this.ie4up  = (this.ie  && (this.major >= 4)); 
	this.ie4  = (this.ie  && (this.major == 4)); 
	this.ie5  = (this.ie  && (this.major == 5)); 

	this.opera = (agt.indexOf("opera") != -1); 

	this.win   = ( (agt.indexOf("win")!=-1) || (agt.indexOf("16bit")!=-1) ); 
	this.mac    = (agt.indexOf("mac")!=-1); 
}


// Create the new sniffer object
var is = new Is();



// Only support DHTML/CSS compatible browsers
if (!is.nav4up && !is.ie4up) window.location="./sorry.html"